Attractive Mouse Trailer using AS3

Notice the following sample swf and just move your mouse around the text to view the mouse trailer.

1. Create new Flash File (File->;New or Ctrl + N) and Name it as mouse trailer.
2. Draw circle with "gradient fill" like below image.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
3. Convert this image as an movieclip using Modify->covert to symbol or press F8, choose Movieclip.and name it as obj.
4. Make new Movieclip (Insert-> New Symbol or press ctrl+f8) and name it as "glow".
5. Drag and drop "obj" movieclip from Library.
6. Now we are going to apply some filter effects. open "Filters" window (using window->properties->Filters)
7. Apply Glow filter with color #FFFF00, Blur X:12 Blur Y:12, like below image
   
   
   
   
   
   
   
   
   
   
   
   
   
   
8. Now apply Blur filter with Blur X value 5 , Blur Y value 5 like below image
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
9. Then apply Gradient glow effect like below image.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
10. Now right click on "glow" movieclip in libraray and click on Linkage, now set Class name as "Element".
11. Now press ctrl+N and choose Actionscript File to apply script .
12. copy and paste below codes in to this , and save this file in the same location of your fla file.
    
    
    
    
    
    package digizone{
    import flash.display.*;
    import flash.events.*;
    
    public class mousetrailer extends MovieClip {
    private var count=4;
    private var x1=mouseX;
    private var y1=mouseY;
    public function mousetrailer() {
    
    addEventListener(Event.ENTER_FRAME,showTrailer);
    }
    public function showTrailer(e:Event) {
    if (x1!=mouseX||y1!=mouseY) {
    x1=mouseX;
    y1=mouseY;
    var glower:Element=new Element();
    glower.x=mouseX;
    glower.y=mouseY;
    glower.counter=0;
    glower.width+=15;
    glower.height+=15;
    glower.addEventListener(Event.ENTER_FRAME,fadeIt);
    addChild(glower);
    
    
    }
    }
    public function fadeIt(evt:Event) {
    evt.currentTarget.counter+=1;
    //verify if the objects showl start to die
    if (evt.currentTarget.counter>count) {
    //if it should die we start to fade it and also shrink it
    evt.currentTarget.alpha+=-0.03;
    evt.currentTarget.width=evt.currentTarget.height-=0.3;
    }
    //once it has faded completly, we remove the event from the object and also remove the object from the stage
    if (evt.currentTarget.alpha<=0)
    {
    evt.currentTarget.removeEventListener(Event.ENTER_FRAME, fadeIt, false); evt.currentTarget.parent.removeChild(evt.currentTarget);
    } } } }
    
    
    
13. In mousetrailer.fla , open properties window and type your actionscript class name in Document class .
14. Now press ctrl+Enter to run the application.

Download Sourcefile from here